Page 2 - Fluke Corporation; Limited Wa
Fluke Corporation 799 E. Utah Valley Drive • American Fork, UT 84003-9775 • USA Phone: +1.801.763.1600 • Telefax: +1.801.763.1010 E-mail: [email protected] www.hartscientific.com Specifications subject to change without notice. • Copyright © 2008 • Printed in USA Limited Wa rranty & Lim...
Page 3 - iii; Table of Contents
iii Table of Contents 1 Before You Start .................................................................................... 1 1.1 Symbols Used ............................................................................................................11.2 Safety Information ..........................
Page 4 - iv
1594A/1595A Super-Thermometer iv 4.3.5 Earth Ground Connection ............................................................................................... 22 5 Menus and Screens ............................................................................ 23 5.1 Introduction ........................
Page 7 - vii
vii 8.7.3.80 SENS:APER[:DISP] <time> .....................................................................................................92 8.7.3.81 SENS:APER:PRES NORM|PREC|FAST|LONG ........................................................................92 8.7.3.82 SENS:APER:SAMP <time&g...
Page 8 - viii
1594A/1595A Super-Thermometer viii 8.7.3.136 TEST:LIN[:STAT]? ..................................................................................................................1018.7.3.137 TEST:LIN:TIME? ...................................................................................................
Page 9 - ix; Figures
ix Figures Figure 1 PEM (Power Entry Module) .................................................................................16Figure 2 Front view ...........................................................................................................17Figure 3 Front Panel Display .................
Page 10 - Tables
1594A/1595A Super-Thermometer x Tables Table 1 Symbols ..................................................................................................................1Table 2 Resistance Ratio Accuracy Specifications ............................................................6Table 3 Resistor Sta...
Page 11 - Symbol; Safety Information; The following definitions apply to the terms “Warning” and “Caution”.; WARNINGS; Follow all safety guidelines listed in the User’s Guide.; DO NOT; operate near flammable materials.
1 Before You Start Safety Information 1 Before You Start 1.1 Symbols Used Table 1 lists the symbols that may be used on the instrument or in this manual and the meaning of each symbol. Table 1 Symbols Symbol Description Symbol Description AC (Alternating Current) PE Ground AC-DC Hot Surface (Burn Ha...
Page 12 - instrument will result.; Authorized Service Centers
1594A/1595A Super-Thermometer Authorized Service Centers 2 ● ● DO NOT connect an AC mains supply that does not match the voltage setting on the back of the unit. ● ● DO NOT use this instrument in combination with any probe ( PRT or thermistor) to measure the temperature or resistance of any device w...
Page 13 - Fluke South East Asia Pte Ltd.; Model Number
3 Before You Start Authorized Service Centers Fluke South East Asia Pte Ltd. Fluke ASEAN Regional OfficeService Center60 Alexandra Terrace #03-16The Comtech (Lobby D)118502SINGAPOREPhone: +65 6799-5588Telefax: +65 6799-5588E-mail: [email protected] When contacting these Service Centers for suppo...
Page 15 - Introduction and Specifications; storage and retrieval of Super-Thermometer user configurations
5 Introduction and Specifications Specifications 2 Introduction and Specifications 2.1 Introduction The Fluke family of Hart Super-Thermometers long ago established the standard for easy-to-use, precision temperature measurement instrumentation. Laboratories worldwide have selected the Super-Thermom...
Page 16 - Primary Specifications:; of reading unless stated otherwise.; Ratio Range
1594A/1595A Super-Thermometer Specifications 6 Primary Specifications: the core set of measurement accuracy specifications of the Super-Thermometer. They are guaranteed for performance verification at the 99% confidence level. Ancillary Specifications: additional specifications that help the user un...
Page 17 - and 1 year thereafter.; as percent of selected current or in absolute mA.
7 Introduction and Specifications Specifications Table 3 Resistor Stability Specifications Resistor (Rs) Accuracy (ppm of reading), 95 % confidence level24 hours 30 days 1 W 5 ppm 10 ppm 10 W 0.5 ppm 2 ppm 25 W 0.25 ppm 1 ppm 100 W 0.2 ppm 1 ppm 10 k W 0.25 ppm 1 ppm 2.2.2.3 Absolute Resistance ...
Page 18 - Current Range; Typical performance; to error in the zero-power resistance value.; Range
1594A/1595A Super-Thermometer Specifications 8 Table 5 Measurement Current Accuracy Specifications Current Range Accuracy 99% confidence level, 1-year 0.001 mA to 0.005 mA 0.00005 mA 0.005 mA to 0.02 mA 1 % 0.02 mA to 0.2 mA 0.5 % 0.2 mA to 2 mA 0.2 % 2 mA to 20 mA 0.5 % 2.2.3 Ancillary Specificatio...
Page 19 - ratio. It is the ratio
9 Introduction and Specifications Specifications 2.2.4 General Specifications Table 8 General Specifications Warm-up period 30 minutes Measurement range 0 W to 500 k W Measurement current range 0.001 mA to 20 mA Measurement current reversal interval:Sample period of 1 second or 2 secondsSample peri...
Page 20 - When calibrating an SPRT on the ITS-90, the W
1594A/1595A Super-Thermometer Specifications 10 When calibrating an SPRT on the ITS-90, the W T90 value is measured at required fixed-point temperatures. This is done by measuring the resistance of the SPRT at a fixed-point temperature followed immediately by measurement of the RTPW. This is repeate...
Page 21 - Drift of the RTPW of the SPRT
11 Introduction and Specifications Specifications is converted to temperature by dividing 0.03 ppm by 1.0 × 10 6 and then multiplying by 1.02. The result is then divided by W T90 sensitivity, dW/dT , at 0.01 °C, which is 0.004. The final result is 0.000008 °C. After multiply - ing by W T90 (1.612), ...
Page 24 - 57 Ω. Divide the result by the sensitivity of the PRT (
1594A/1595A Super-Thermometer Specifications 14 257 Ω. Divide the result by the sensitivity of the PRT ( dR/dT ) at 420 °C. This can be found in the PRT calibra- tion report. For this example, 0.4 Ω/°C is used. The resulting uncertainty is 0.0013 °C. 2.2.5.5.2 Measurement Noise at 420 °C The noise o...
Page 25 - Unpacking and Inspection; tions for inspection are included in the shipping container.; Item; Instruction Manuals; The Super-Thermometer instruction manual set is shipped on; Line Voltage and Fuses; selected line voltage setting.
15 Preparation for Operation Line Voltage and Fuses 3 Preparation for Operation 3.1 Unpacking and Inspection The Super-Thermometer is shipped in a container designed to prevent damage during shipping. Inspect the contents of the container for damage and immediately report any damage to the shipping ...
Page 26 - compartment and open the PEM door.; Connecting to Line Power; three-prong outlet using the provided line voltage cord.; Placement and Rack Mounting; specifications for environmental requirements.
1594A/1595A Super-Thermometer Connecting to Line Power 16 1. Disconnect line power.2. Observe what line voltage setting is displayed in the PEM window. If it is correct, the fuse assembly will be re-inserted in the same orientation it is removed. Otherwise, it will need to be rotated 180° before re-...
Page 27 - Front Panel Features; the measurement inputs are:
17 Front and Rear Panel Features Front Panel Features 4 Front and Rear Panel Features 4.1 Introduction The Super-Thermometer has been designed with several features that help make setup and operation as simple as possible while still providing many measurement capabilities. This section describes th...
Page 29 - and configuration information.; Pressing the ENTER key saves the new selection.
19 Front and Rear Panel Features Front Panel Features 4.2.3.1 Front Panel Display The Front Panel Display is shown in Figure 3. The display screen is used to show all measurements, menus and configuration information. Figure 3 Front Panel Display The default display language is English. The display ...
Page 30 - Rear Panel Features; The
1594A/1595A Super-Thermometer Rear Panel Features 20 4.3 Rear Panel Features Figure 4 Rear view 4.3.3.1 External Resistor Inputs Figure 5 External Resistor Inputs The Rs1 and Rs2 external reference resistor connections are located on the rear panel. The Current (C1, C2), Potential (P1, P2) and Guard...
Page 31 - A USB peripheral port is intended for future peripheral control.; Connection
21 Front and Rear Panel Features Rear Panel Features 4.3.2 Future Peripheral Connection A USB peripheral port is intended for future peripheral control. Note: This port is NOT used for external memory connection. For external memory via USB see Section 4.2.2, USB Connection, on page 17 and Figure 2 ...
Page 33 - system. Below is a location descriptor example.; MAIN MENU | CHANNEL SETUP | CHANNEL SETTINGS; Changing Settings; configuration field is changed the
23 Menus and Screens Changing Settings 5 Menus and Screens 5.1 Introduction This section provides detailed description of the Super-Thermometer menus and screens. The menus and screens are designed to allow the user to quickly and easily set up the instrument for measurement while also providing man...
Page 34 - where it is located.; Password Protection; upon pressing ENTER when the field is highlighted.
1594A/1595A Super-Thermometer Password Protection 24 In the Alpha-Numeric Interface, use the front panel arrow keys to move the cursor to the desired character. Press the ENTER key to enter the selected character in the text edit box. Numeric characters can be entered using the Alpha-Numeric Interfa...
Page 35 - Measurement Screen
25 Menus and Screens Measurement Screen | | | READ RESISTOR | | MANAGE RESISTORS | | READ FILE | | WRITE FILE | | MOVE UP | | MOVE DOWN | | DELETE RESISTOR | ON/OFF | MEASURE MENU (see MEASURE MENU below) PROBE MENU | ADD PROBE | COPY PROBE | EDIT PROBE | | TEST CALCULATION | READ PROBE | MANAGE PRO...
Page 36 - of the Measurement Screen.; scriptions of each section:; PROBE ID –
1594A/1595A Super-Thermometer Measurement Screen 26 or by pressing and releasing the MENU key then pressing the EXIT key. The following describe each section of the Measurement Screen. Figure 9 A B C D E Measurement Screen The following are the different sections of the Measurement Screen (see Figur...
Page 37 - OVEN; indicates the progress of the current measurement; Active Channel; - indicates whether recording is in progress.; MESSAGE (F4) function key may be pressed to clear the message.; Priority Message
27 Menus and Screens Measurement Screen OVEN - indicates whether the resistor oven is stable and ready for measurement. After power up, the OVEN field will first indicate “SETTLING” while the oven warms up and settles to the proper temperature. When the oven temperature is stable, the field will dis...
Page 38 - The Start/Stop Measurement function key; The submenus located in the Main Menu screen are as follows:
1594A/1595A Super-Thermometer Main Menu 28 5.6.6 START/STOP MEASUREMENT (F1) The Start/Stop Measurement function key is a toggling function key that starts and stops measurement sampling. 5.6.7 SHOW TABLE/GRAPH (F2) The Show Table/Graph function key toggles the display between Graph mode and Data mo...
Page 39 - measurement units; sponding Channel Select Key on the front panel.
29 Menus and Screens Main Menu DISPLAY MENU - used to configure display settings, and statistics settings as well as selecting temperature measurement units SYSTEM MENU - used to configure the remote interface ports, set the system date and time, configure pass - word settings and calibrate the Supe...
Page 40 - identifies the; Probe Type; value will supersede the probe definition.; lished in the probe definition.; x POWER; greater than 2 mA. If the
1594A/1595A Super-Thermometer Main Menu 30 5.7.1.2 CHANNEL SETTINGS (F2) MAIN MENU | CHANNEL SETUP | With the desired channel selected in the Channel Setup screen, pressing the Channel Settings function key opens a screen that allows the user to configure the channel settings. The channel that is be...
Page 41 - low the user to configure the Rs input.
31 Menus and Screens Main Menu 5.7.1.2.1 SET UP Rs (F1) MAIN MENU | CHANNEL SETUP | CHANNEL SETTINGS | Pressing the Set Up Rs function key displays the Rs definition assigned to each Rs input. The Up/Down arrow keys are used to scroll through the list to select an Rs input for configuration. The fol...
Page 42 - explained in the Add Resistor section above.
1594A/1595A Super-Thermometer Main Menu 32 5.7.1.2.1.1.3 EDIT RESISTOR (F2) MAIN MENU | CHANNEL SETUP | CHANNEL SETTINGS | SET UP Rs | DEFINE RESISTOR | The Edit Resistor function key opens the highlighted Rs definition for editing. The configuration fields are explained in the Add Resistor section ...
Page 43 - was selected, the entire library will be erased.
33 Menus and Screens Main Menu write the file. If a USB memory device has not yet been inserted, the user is instructed to do so. Allow about 10 seconds for the system to recognize the USB device before continuning. Resistor definition files are written to a folder named “\159x\resistor” on the USB ...
Page 44 - ID; - defines the type of probe. The options are
1594A/1595A Super-Thermometer Main Menu 34 5.7.2 PROBE MENU (F2) MAIN MENU | Figure 11 Probe Menu Screen The Probe Menu contains the function keys needed for editing and managing probe definitions stored in the Probe Library. The Probe Library is non-volatile memory inside the Super-Thermometer whic...
Page 45 - thermistors (see “Table 13 Recommended; MAXIMUM TEMPERATURE -; Type; C R
35 Menus and Screens Main Menu CALIBRATION DATE - the calibration date of the probe. The digits may be set to zero if the date is undefined. NOMINAL CURRENT - the sensing current used for measuring the probe. The value entered is the current used to measure the probe when 1 x Power is selected in th...
Page 46 - t C
1594A/1595A Super-Thermometer Main Menu 36 Type Conversion Coefficients Equations THERMISTOR R(T) POLYNOMIAL B0, B1, B2, B3 R B t i i i [ ] exp [ ] . Ω = + = ∑ 0 3 1 273 15 °C T(R) POLYNOMIAL A0, A1, A2, A3 t C A R i i [ ] [ln [ ]] . ° = − = ∑ 1 273 15 1 0 3 Ω Note: With ITS-90 c...
Page 47 - EXIT key) to return to the Assign Probe screen.
37 Menus and Screens Main Menu 5.7.2.4 READ PROBE (F4) MAIN MENU | PROBE MENU | The Read Probe function key allows the user to read a probe definition from the USB memory device into the Probe Library. When a USB memory device, that contains a probe definition file, is inserted in the front panel, t...
Page 48 - The Move Up function key
1594A/1595A Super-Thermometer Main Menu 38 If the \159x\probe\ folder and .prb file have not been created previously, they will be created automatically when the file is written. If the .prb file already exists, a newly written probe definition will be appended into the file. However, if the .prb fi...
Page 49 - The following are complete descriptions of each function key.; SCAN ENABLE; measured as selected by the user.; REPEAT COUNT; and display a measurement.; Measurement Timing Description; Sampling; fundamental ratio measurement is sampled once per Sample Period.
39 Menus and Screens Main Menu The following are complete descriptions of each function key. 5.7.3.1 SCAN SETTINGS (F1) MAIN MENU | MEASURE MENU | Scan Settings is used to set up channel scanning. The Super-Thermometer has several scan options that are configured using the following fields. SCAN ENA...
Page 50 - the Measurement screen is based on
1594A/1595A Super-Thermometer Main Menu 40 41) if the digital filter is ON. If the digital filter is OFF, measurement samples are passed directly to Conversion. 4. Conversion - after filtering, the fundamental ratio measurement can be converted to the selected unit of measure such as Temperature (Se...
Page 51 - Digital Filter Description; clears the filter buffer.; USB
41 Menus and Screens Main Menu PRESET PRECISION (F2) - sets the timing settings for minimal measurement noise and settling error with most thermometer probes. Sample Period is set to 2 seconds, Display Interval is set to 10 seconds, and Aver - age Enable is set to ON. PRESET FAST (F3) - is used to c...
Page 52 - in progress or recorded data may be lost.; MEMORY DEVICE; is automatically appended to the file name.; RECORD STATISTICS; The View Data function key
1594A/1595A Super-Thermometer Main Menu 42 Important: Avoid switching power off to the Super-Thermometer while measurement and recording are in progress or recorded data may be lost. Measurements are recorded when the START RECORD (F5) function key in the Measurement screen has been pressed. The Sta...
Page 53 - keys are used to move through the file to view the data.; Zero-Power Measurement Description; measurements acquired during the Measure Time.
43 Menus and Screens Main Menu 5.7.3.4.3 READ FILE (F3) MAIN MENU | MEASURE MENU | RECORDING MENU | The Read File function key allows the user to view measurements that have been recorded in a file on the USB memory device. If a USB device has not been inserted in the front panel, the user will be p...
Page 54 - not interfere with the calculation.; REPEAT NOMINAL; measurement sequence is completed.
1594A/1595A Super-Thermometer Main Menu 44 Tip: Zero-Power measurements must be performed in a very stable heat source so temperature drift does not interfere with the calculation. Zero-power measurement is performed by first measuring the probe at nominal current. Then the excita - tion current is ...
Page 56 - DRIFT is recorded only if Repeat Nominal is enabled.
1594A/1595A Super-Thermometer Main Menu 46 PROBE,<probe ID>ZERO_MEAS,<corrected measurement>,<unit>SELF_HEAT,<self heating>,<unit>STAN_ERR,<standard error>,<unit>DRIFT,<drift>,<unit> CURR_1,<current 1>,mAMEAN_1,<mean 1>,<unit>SD...
Page 57 - English regardless of the language setting.; ITS-90 SUBRANGE ALERT; default option is ON.
47 Menus and Screens Main Menu 5.7.4.1 USER SETTINGS (F1) MAIN MENU | DISPLAY MENU | The User Settings screen allows the user to set preferences such as language, temperature measurement resolu- tion, screen saver settings and alert messages. The User Settings screen will automatically appear as the...
Page 58 - fects the Recall Memory selection that is currently display.; Mean; Std Dev
1594A/1595A Super-Thermometer Main Menu 48 When the User Settings screen appears after power-on, when the Start-Up Help setting is ON, the User Set - tings screen includes function key NEXT (F1). This key leads to the Time and Date Settings screen (see Sec - tion 5.7.5.1, TIME DATE (F1), on page 50)...
Page 59 - STATISTICS MODE –; determines the mode in which statistics are used. The options are; AUTOMATIC CENTERING -
49 Menus and Screens Main Menu 5.7.4.3 STATISTICS SETTINGS (F3) MAIN MENU | DISPLAY MENU | The Statistics Settings screen allows the user to set statistics related settings such as the statistics mode to be used. STATISTICS MODE – determines the mode in which statistics are used. The options are LIM...
Page 60 - a separate dot. The options are LINE and DOT. The default value is DOT.; Firmware Version, and; TIME; system clock. It is always in; DATE
1594A/1595A Super-Thermometer Main Menu 50 TRACE - controls whether a measurement point is plotted with a line that connects to the previous point or as a separate dot. The options are LINE and DOT. The default value is DOT. Important: When Time Span is large, multiple points may be combined and dra...
Page 61 - needs to remain plugged into the unit while cycling the power.
51 Menus and Screens Main Menu DAYLIGHT SAVING - determines whether the clock is automatically adjusted at the beginning and end of the Daylight Saving period. Options are OFF, NORTH AMERICA, and EUROPE. The default option is OFF. 5.7.5.2 REMOTE INTERFACE (F2) MAIN MENU | SYSTEM MENU | The Remote In...
Page 62 - not available when DHCP is set to ON.
1594A/1595A Super-Thermometer Main Menu 52 SUBNET MASK - specifies the network’s subnet mask when DHCP is OFF. Gateway and Subnet Mask are not available when DHCP is set to ON. HOST NAME - is a name that may be used to identify the Super-Thermometer on the network. It may consist of a combination of...
Page 63 - The probe definition assigned to each channel; FILE NAME
53 Menus and Screens Main Menu 5.7.5.3.1 STORE CONFIG (F1) MAIN MENU | SYSTEM MENU | CONFIG | The Store Configuration function allows the user to store settings to a configuration file in either internal non- volatile memory or a USB flash memory device. The following settings are stored: ● ● The pr...
Page 64 - must confirm the action before the configuration is deleted.
1594A/1595A Super-Thermometer Main Menu 54 5.7.7 DELETE CONFIG (F3) MAIN MENU | SYSTEM MENU | CONFIG | The Delete Configuration function may be used to delete a configuration file in internal memory. The screen shows a list of configuration files found in the internal non-volatile memory. The user p...
Page 65 - RESISTOR PROTECTION -; is useful for ensuring that
55 Menus and Screens Main Menu RESISTOR PROTECTION - enables or disables protection of resistor definition related screens. This setting is useful for ensuring that resistor definitions in the Resistor Library do not get inadvertently changed. The default is OFF. MEASURE PROTECTION- enables or disab...
Page 66 - needed to adjust the calibration parameters.
1594A/1595A Super-Thermometer Main Menu 56 In the Calibration Parameters screen the user may view and change measurement calibration settings. The calibration parameters can be viewed with no password but a password is required to make changes. Calibration parameters include calibrated values for ea...
Page 67 - ing key components such as the resistor oven powered on.; User Settings Screen; TEMPERATURE RESOLUTION-; default option is OFF.
57 Getting Started User Settings Screen 6 Getting Started 6.1 Powering on the Super-Thermometer CAUTION: Before powering the Super-Thermometer on, ensure that the line voltage selection is set properly. Refer to Section 3.3, Line Voltage and Fuses, on page 15 for instructions. Power the Super-Thermo...
Page 68 - Connecting a Probe or Resistor; DWF connectors. These
1594A/1595A Super-Thermometer Connecting a Probe or Resistor 58 KEYPAD BEEP- enables (ON) or disables (OFF) the audio indication that accompanies each key-press. The default option is ON. START-UP HELP- determines whether the User Settings screen appears automatically after power-on. When the settin...
Page 69 - The DWF connectors are labeled with
59 Getting Started Connecting a Probe or Resistor The DWF connectors are labeled with C1, C2 (current connections) and P1, P2 (measurement potential con- nections). The guard connector is labeled with a “G” and is used for connecting to a probe or resistor guard or shield. The guard connection may h...
Page 71 - Super-Thermometer for typical measurements.; Measuring a Temperature Probe; measurement input channels.
61 Making Measurements Measuring a Temperature Probe 7 Making Measurements 7.1 Introduction The Super-Thermometer has been designed to allow quick and easy measurement setup while providing flex - ible measurement options. The purpose of this section is to guide the user through the configuration of...
Page 72 - Scanning Multiple Temperature Probes; to connect and configure two; Measuring Resistance Ratio; Go to the Add Resistor screen by using the following steps:
1594A/1595A Super-Thermometer Scanning Multiple Temperature Probes 62 7. If the desired measurement channel is set to Off, use the ON/OFF (F3) function key to toggle the channel to On. Pressing the Channel Select key located above the channel connection will also set the channel to On. 8. Press the ...
Page 73 - Entering this value incorrectly will cause measurement error.
63 Making Measurements Making A Zero-Power Measurement c. Select the SETUP RS (F1) function key.d. Select the DEFINE RESISTOR (F2) function key. e. Select the ADD RESISTOR (F1) function key. 4. Enter a unique ID in the ID field. Pressing the ENTER key will open the Alpha-Numeric Interface for text e...
Page 75 - Remote Operation; The LAN port implements a 10/100 Base T
65 Remote Operation Configuring the Network (LAN) Port 8 Remote Operation 8.1 Introduction This section contains instructions for controlling the Super-Thermometer remotely through the available re- mote operation ports. See Table 18 for a list of the available remote operation ports.The remote oper...
Page 78 - allowing the user to enter a host name up to 16 characters in length.; Using the Web Interface; eter in an internet browser.; Configuring the USB Port
1594A/1595A Super-Thermometer Using the Web Interface 68 1. In the NETWORK screen, use the Up/Down arrow keys to select HOST NAME.2. While HOST NAME is highlighted, pressing the ENTER key opens the Alpha-Numeric Interface allowing the user to enter a host name up to 16 characters in length. 3. Selec...
Page 80 - Interface Commands; data. Commands are in the form of strings of; Command
1594A/1595A Super-Thermometer Interface Commands 70 8.7 Interface Commands An alphabetical listing of the commands implemented by the Super-Thermometer is shown in Table 19 on page 70. These commands can be used with all of the remote operation ports. An example and description of each command is in...
Page 84 - Example response: 160
1594A/1595A Super-Thermometer Interface Commands 74 Command Function Associated Setting or Function (screen) SYST:PASS:GROU:RES Sets the password Resistor Protection setting Resistor Protection (Password) SYST:PASS:GROU:TIME Sets the password Time/Date Protection setting Time/Date Protection (Passwo...
Page 85 - Bit
75 Remote Operation Interface Commands Bit Event 0 OPC, Operation Complete 1 Request control (not used) 2 Query error 3 Device dependent error 4 Execution error 5 Command error 6 User request (not used) 7 Power on 8.7.3.4 *IDN? Example response: FLUKE,1594,A9C111,1.10/1.00Reads the instrument inform...
Page 86 - Password protection: unconditional
1594A/1595A Super-Thermometer Interface Commands 76 Query form: *SRE? Sets the Service Request Enable register. This mask register determines which corresponding bits of the Status Byte Register (see Section 8.7.3.7, *STB?, on page 76) affect the MSS master summary bit (bit 6) of the Status Byte Reg...
Page 88 - The *RST command sets Sample Count to 100.
1594A/1595A Super-Thermometer Interface Commands 78 Query form: CALC:AVER:COUN?Alternate parameter: DEF, MIN, MAX Sets the statistics Sample Count setting.Parameter <value> is the maximum number of samples in the moving window when the Statistics Mode set- ting is LIMITED (see Section 8.7.3.22...
Page 89 - unlimited the sample set accumulates until the statis-
79 Remote Operation Interface Commands 8.7.3.19 CALC<n>:AVER:SEM? Example command: CALC3:AVER:SEM? Example response: 0.000039Reads a channel’s statistical standard error of the mean (see Section 5.7.4.2, FIELD SETTINGS (F2), on page 48). Suffix <n> is the channel number: 1 through 4 for ...
Page 91 - The *RST command has no effect on this setting.; Alert
81 Remote Operation Interface Commands 8.7.3.29 DATA:REC:FILE <name> Query form: DATA:REC:FILE? Sets the data recording USB File name (see Section 5.7.3.4.1, RECORDING SETTINGS (F1), on page 42). 8.7.3.30 DATA:REC:MEM INT|USB|BOTH Query form: DATA:REC:MEM?Sets the data recording Memory Device ...
Page 92 - Help Screen will no longer appear.
1594A/1595A Super-Thermometer Interface Commands 82 Reads a statistics field setting of the visible statistics fields memory set (see Section 5.7.4.2, FIELD SET - TINGS (F2), on page 48).Suffix <n> is the field number, which may be 1 through 4. The response will be one of the following: MEAN, ...
Page 93 - Sets the display
83 Remote Operation Interface Commands Sets the display Rs Due Alert enable (see Section 5.7.4.1, USER SETTINGS (F1), on page 47). The default setting is OFF. 8.7.3.43 DISP:WARN:ITS <boolean> Query form: DISP:WARN:ITS?Alternate parameter: DEF Sets the display ITS-90 Subrange Alert enable (see ...
Page 94 - Sets the
1594A/1595A Super-Thermometer Interface Commands 84 Alternate parameter: DEF, MIN, MAXSets the stop timer’s Timer Duration setting (see Section 5.7.3.2, TIMING SETTINGS (F2), on page 39). The value is the number of seconds. The range is 1 to 86399 and the default is 3600 (one hour). This setting is ...
Page 95 - Alternate parameter: MAX
85 Remote Operation Interface Commands Adds a new probe definition to the Probe Library. Before a probe can be assigned to a channel and tem - perature measured, the probe must have its definition added to the Probe Library (see Section 8.7.3.57, INP<n>:PROB:IDEN <id>, on page 85).Parame...
Page 96 - parameter value” is generated in the error queue.; Setting
1594A/1595A Super-Thermometer Interface Commands 86 Reads the ID of the next probe in the Probe Library. It also advances the library index used for the next re - sponse to the INP:PROB:NEXT? command.If there are no more probes in the Probe Library, the response is an empty string, “”. 8.7.3.59 INP:...
Page 97 - may depend on other settings also, such as an ITS-90 subrange.
87 Remote Operation Interface Commands C0 – C7 C0 – C7 exponential number Thermistor type settingsMaximum Temperature MAX_TEMP decimal number, dependent on Unit setting Conversion CONV R_POLY|T_POLY|NONE R(T) polynomial conversion settingsB0 – B3 B0 – B3 exponential number T(R) polynomial conversion...
Page 98 - input is being set to none.
1594A/1595A Super-Thermometer Interface Commands 88 A channel’s Calculation setting will be changed from temperature to resistance (see Section 8.7.3.27, CALC<n>:TYPE TEMP|RES|RAT, on page 80) if its Reference Resistor (Rs) setting was set to the speci - fied input and the resistor assignment ...
Page 100 - a scanner is attached, channel 1 is not allowed.
1594A/1595A Super-Thermometer Interface Commands 90 Parameter <source> may be any of the following: <source> Function 1 Selects the internal 1 W resistor for the reference resistor 10 Selects the internal 10 W resistor for the reference resistor 25 Selects the internal 25 W resistor for ...
Page 101 - The *RST command enables channel 2 and disables all others.
91 Remote Operation Interface Commands A channel number in <channel list> may be 1 through 4 for the corresponding front channel input, 5 through 14 for channels of the first attached scanner, and 15 through 24 for channels of the second attached scanner. If a scanner is attached, channel 1 wi...
Page 103 - Password protection: Measure Protection
93 Remote Operation Interface Commands Password protection: Measure Protection Sets the Average Enable for the sample average (see Section 5.7.3.2, TIMING SETTINGS (F2), on page 39). The *RST command sets Average Enable to the default setting which is ON. 8.7.3.84 SENS:AVER2[:STAT] <boolean> Q...
Page 104 - register is also cleared when a *CLS command is received.
1594A/1595A Super-Thermometer Interface Commands 94 The returned value is a resistance ratio after processing by the digital filter. If no measurement is available, no response is returned and error code -230, “Data corrupt or stale” is generated in the error queue. 8.7.3.89 STAT:OPER? Example respo...
Page 105 - Produces an immediate beep from the speaker.
95 Remote Operation Interface Commands 8.7.3.95 SYST:BEEP[:IMM] Example command: SYST:BEEP Produces an immediate beep from the speaker. 8.7.3.96 SYST:BEEP:KEY <boolean> Query form: SYST:KEY:BEEP?Alternate parameter: DEF Sets the Key Beep setting (see Section 5.7.4.1, USER SETTINGS (F1), on pag...
Page 106 - Sets the network port’s
1594A/1595A Super-Thermometer Interface Commands 96 Sets the network port’s IP Address setting (see Section 8.2, Configuring the Network (LAN) Port, on page 65). Parameter <IP address> is a string specifying the address using IP dot notation.This setting is only allowed when DHCP is OFF.The qu...
Page 108 - command *CLS. Possible errors are listed in the following table.; Error
1594A/1595A Super-Thermometer Interface Commands 98 8.7.3.116 SYST:ERR? Example response: -100,“Command error”Reads the next error in the error queue. When an error is read it is removed from the error queue, and the next error may be read by sending the command again. If there are no more errors, t...
Page 109 - Time/Date Protection is on, setting the time and date is protected.
99 Remote Operation Interface Commands 8.7.3.120 SYST:PASS:CEN:STAT? Returns the password-access state. The response is 0 if access is disabled and 1 if access is enabled. 8.7.3.121 SYST:PASS:GROU:MEAS <boolean> Query form: SYST:PASS:GROU:MEAS? Password protection: unconditional Alternate para...
Page 111 - Suffix specifies the test number of which a report is requested:; Linearity self-test type; is the mean measurement from the first part of the test.
101 Remote Operation Interface Commands The query form returns 1 if Ratio Self-Calibration is in progress, 0 otherwise. 8.7.3.134 TEST:LIN:REP<n>? Example response: 0.00000002,0.00000001,0.00000002,0.02,0.003Reads a report from Ratio Self-Calibration (see Section 9, Calibration, on page 103). ...
Page 112 - A system self-test is also canceled if the *RST command is received.
1594A/1595A Super-Thermometer Interface Commands 102 8.7.3.138 TEST:LIN:TOL<n>? Example response: 0.8Reads a Ratio Self-Calibration test tolerance (see Section 9, Calibration, on page 103). Suffix <n> specifies the test number of which the error tolerance is requested (see Section 8.7.3....
Page 113 - Calibration; as shown in Figure 18.
103 Calibration CURRENT TEST (F2) 9 Calibration 9.1 Introduction This section explains the step-by-step instructions for calibrating and verifying functionality of the Super- Thermometer to ensure it will operate correctly and meet published specifications. If the instrument cannot be brought into s...
Page 114 - Current; fields are used to configure each step of the test.
1594A/1595A Super-Thermometer RATIO CALIBRATION (F3) 104 If using a calibrated resistor, connect the resistor to all four terminals on one of the front panel measurement inputs and connect the voltmeter to the P1 and P2 terminals. Refer to Table 20 for recommended resistance values. The accuracy of ...
Page 121 - Maintenance; 0 Maintenance
111 Maintenance 10 Maintenance Avoid operating the instrument in excessively wet, oily, dusty, or dirty environments. If the outside of the instrument becomes soiled it may be wiped clean with a damp cloth and mild detergent. DO NOT use harsh chemicals on the surface that may damage the paint or pla...
Page 123 - Troubleshooting; 1 Troubleshooting; Problem
113 Troubleshooting 11 Troubleshooting The purpose of this section is to help the user troubleshoot unexpected operation results. Use the following list of problems and solutions to troubleshoot the issue. If the issue cannot be resolved using this section, contact the nearest Fluke Authorized Servi...
Page 125 - Index; Symbols
115 Index Symbols 1.4142 30, 43 10/100 Base T Ethernet 65 24-hour format 50 2590 Scanner 20 °C 50, 56, 108 °F 50, 56, 108 A ABSOLUTE ERROR 107 Absolute Resistance Accuracy 7 Accuracy Measurement Current 7 Resistance 7 AC power 9 Active Channel 27 ADD PROBE (F1) 34 ADD RESISTOR (F1) 31 ADDRESS 52, 69...